Home / 161,738.20-242,607.30-144,825.40

Finding the Fourth Proportional to 161,738.20, 242,607.30 and 144,825.40

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Solution

The fourth proportional to 161,738.20, 242,607.30 and 144,825.40 is: 217,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,738.20 : 242,607.30 = 144,825.40 : x
  2. Step 2: Convert to fraction form
    161,738.20/242,607.30 = 144,825.40/x
  3. Step 3: Cross multiply
    161,738.20x = 242,607.30 × 144,825.40
  4. Step 4: Simplify right side
    161,738.20x = 35,135,699,265.42
  5. Step 5: Solve for x
    x = 35,135,699,265.42/161,738.20
  6. Step 6: Final answer
    x = 217,238.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.